Saab R5 SUPREME AIS, Operation & Installation Manual

Page: 123 / 156

R5
SUPREME - Navigation System
INTERPRETATIONS OF OUTPUT SENTENCES
7000 118-301, A Page 123
10 INTERPRETATIONS OF OUTPUT SENTENCES
10.1 Output Sentences, GPS
All output sentences use GP as talker identifier.
10.1.1 DTM
– Datum Reference
$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc
Field Format Name Comment
1 --DTM Sentence Id
2 ccc Local datum Always W84
3 a Local datum subdivision code Null field
4 x.x
Lat offset, min Always zero
5 a
6 x.x
Lon offset, min Always zero
7 a
8 x.x Altitude offset Always zero
8 ccc Reference datum Always W84
10.1.2 GBS
– GNSS Satellite Fault Detection
$--GBS,hhmmss.ss,x.x,x.x,x.x,xx,x.x,x.x,x.x,h,h
Field Format Name Comment
1 --GBS Sentence Id
2
hhmms
s.ss
UTC time of GGA or GNS
3 x.x Expected error in latitude
4 x.x Expected error in longitude
5 x.x Expected error in altitude
6 xx
ID number of most likely failed
satellite
7 x.x
Probability of missed detection
for most likely failed satellite
8 x.x Estimate of bias
9 x.x
Standard deviation of bias
estimate
10 h GNSS System ID Always one (1)
11 h GNSS Signal ID Always one (1)